Average humidity in San Bernardino
The mean monthly relative humidity over the year in San Bernardino (Grisons), Switzerland.
- On average, September is the most humid month, at 75.0%.
- On average, April is the least humid month, at 66.0%.
- The average annual percentage of humidity is 71%.
Weather Forecasts for San Bernardino
broken clouds and no rain
broken clouds and no rain
overcast and heavy rain